Soil Composition Worksheet
A Grade 3 science worksheet covering soil composition, layers, and their importance.
Includes
Multiple ChoiceFill in the BlanksTrue / FalseShort AnswerWord Bank
Standards
3-LS4-33-ESS2-1
Topics
soilearth sciencegrade 3science
7 sections · Free to use · Printable
Soil Composition Basics
Name:
Date:
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Read each question carefully and answer to the best of your ability.
1. Which of these is NOT a main part of soil?
a
Rocks and minerals
b
Air
c
Sugar
d
Water
2. Soil is made up of small pieces of rock, dead plants, water, and .
3. The darkest layer of soil, called topsoil, is rich in matter.
4. All soil looks exactly the same everywhere in the world.
T
True
F
False
5. Look at the diagram of soil layers below. Which layer is the best for plant growth and why?

Use the words below to complete the sentences.
humus
sand
clay
silt
6. The largest particles in soil are .
7. Tiny, sticky particles that can hold a lot of water are called .